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authorJohn Ogness <john.ogness@linutronix.de>2024-08-20 08:35:27 +0206
committerPetr Mladek <pmladek@suse.com>2024-08-21 14:56:22 +0200
commiteda25860bf6e71932311f1b5acdf8fc05cd84ff3 (patch)
tree6c2c15eaa0427e820dabcf4d5117eea6e04b95cf /kernel/printk/printk.c
parentb0da640826ba3b6506b4996a6b23a429235e6923 (diff)
printk: Add notation to console_srcu locking
kernel/printk/printk.c:284:5: sparse: sparse: context imbalance in 'console_srcu_read_lock' - wrong count at exit include/linux/srcu.h:301:9: sparse: sparse: context imbalance in 'console_srcu_read_unlock' - unexpected unlock Fixes: 6c4afa79147e ("printk: Prepare for SRCU console list protection") Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Acked-by: Paul E. McKenney <paulmck@kernel.org> Link: https://lore.kernel.org/r/20240820063001.36405-2-john.ogness@linutronix.de Signed-off-by: Petr Mladek <pmladek@suse.com>
Diffstat (limited to 'kernel/printk/printk.c')
-rw-r--r--kernel/printk/printk.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index c22b07049c38..93c67eb7ca9e 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -282,6 +282,7 @@ EXPORT_SYMBOL(console_list_unlock);
* Return: A cookie to pass to console_srcu_read_unlock().
*/
int console_srcu_read_lock(void)
+ __acquires(&console_srcu)
{
return srcu_read_lock_nmisafe(&console_srcu);
}
@@ -295,6 +296,7 @@ EXPORT_SYMBOL(console_srcu_read_lock);
* Counterpart to console_srcu_read_lock()
*/
void console_srcu_read_unlock(int cookie)
+ __releases(&console_srcu)
{
srcu_read_unlock_nmisafe(&console_srcu, cookie);
}